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aydut References Mailings Review View | A A. | = | t | 2-EE . | | 1 Normal 11 No

ID: 3365775 • Letter: A

Question

aydut References Mailings Review View | A A. | = | t | 2-EE . | | 1 Normal 11 No Spac Heading 1 Heading 2 -Title Paragraph encourage you to check with me ahead of time. *+ There are four questions on three pages, worth a total of 18 points... Question 1 (4 points) Suppose you carry out a one-way ANOVA to test whether the mean selling prices of houses in three cities are the same. The three sample means are as follows: City 1: $365,880 City 1: S365,900 City 1: $366,054 The p-value is 0.04 Part (b) (2 points) Are the differences between these means of practical significance? Justify your answer. * Continued on p. 2. Question 2 (3 points) The covariance between variables A and B is 14.73. The correlation coefficient between vanables C

Explanation / Answer

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Alpha value is not given

If we assume alpha = 0.05

Then p(0.04) < alpha (0.05)

Thus, null is rejected and we can say means are different and significant

But if alpha = 0.01

Then p(0.04) > alpha (0.01)

Thus, null is not rejected and we can say means are not different and not significant